The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 22 February 2025 06:25 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	409200	3.34%	12952	31.59	AMAZON-02, US
2	7552	290683	2.37%	3921	74.13	VIETEL-AS-AP Viettel Group, VN
3	8151	196193	1.60%	11828	16.59	UNINET, MX
4	36903	181564	1.48%	1249	145.37	MT-MPLS, MA
5	45899	178977	1.46%	3273	54.68	VNPT-AS-VN VNPT Corp, VN
6	39891	96378	0.79%	4797	20.09	ALJAWWALSTC-AS, SA
7	9829	81614	0.67%	2026	40.28	BSNL-NIB National Internet Backbone, IN
8	7713	75200	0.61%	3692	20.37	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
9	6057	69886	0.57%	575	121.54	Administracion Nacional de Telecomunicaciones, UY
10	55644	61755	0.50%	97	636.65	VIL-AS-AP Vodafone Idea Ltd, IN
11	4268	61315	0.50%	7	8759.29	CERNET-ASN-BLOCK, US
12	9318	59402	0.49%	740	80.27	SKB-AS SK Broadband Co Ltd, KR
13	50010	58935	0.48%	663	88.89	NAWRAS-AS Sultanate of Oman, OM
14	7738	57934	0.47%	605	95.76	V tal, BR
15	12849	54994	0.45%	563	97.68	HOTNET-IL HOTmobile, IL
16	6713	52993	0.43%	559	94.80	IAM-AS, MA
17	19429	47955	0.39%	688	69.70	ETB - Colombia, CO
18	647	47677	0.39%	405	117.72	DNIC-ASBLK-00616-00665, US
19	25048	47221	0.39%	5	9444.20	DSNET DSNet, GB
20	20940	46793	0.38%	4021	11.64	AKAMAI-ASN1, NL
21	20473	45040	0.37%	1290	34.91	AS-VULTR, US
22	16625	43872	0.36%	3073	14.28	AKAMAI-AS, US
23	8100	42115	0.34%	547	76.99	ASN-QUADRANET-GLOBAL, US
24	396982	40886	0.33%	2933	13.94	GOOGLE-CLOUD-PLATFORM, US
25	26615	40727	0.33%	1018	40.01	TIM SA, BR
26	44244	38603	0.32%	2157	17.90	IRANCELL-AS, IR
27	30036	37778	0.31%	2613	14.46	MEDIACOM-ENTERPRISE-BUSINESS, US
28	17794	37390	0.31%	13	2876.15	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
29	13188	36033	0.29%	1607	22.42	TRIOLAN, UA
30	5371	35645	0.29%	272	131.05	DNIC-ASBLK-05120-05376, US
31	24158	34903	0.29%	536	65.12	TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW
32	21859	34817	0.28%	1414	24.62	ZEN-ECN, US
33	7296	34763	0.28%	265	131.18	AS-DYNASCALE-LAX, US
34	36914	33793	0.28%	571	59.18	KENET-AS, KE
35	19551	33532	0.27%	826	40.60	INCAPSULA, US
36	23470	33495	0.27%	233	143.76	RELIABLESITE, US
37	4155	32918	0.27%	2386	13.80	USDA-1, US
38	48161	32769	0.27%	393	83.38	NG-AS Sos. Bucuresti - Ploiesti nr. 42-44, RO
39	7155	32674	0.27%	4207	7.77	VIASAT-SP-BACKBONE, US
40	36183	32618	0.27%	543	60.07	AKAMAI-AS, US
41	4538	31939	0.26%	4899	6.52	ERX-CERNET-BKB China Education and Research Network Center, CN
42	4181	31602	0.26%	1262	25.04	TDS-AS, US
43	58224	30635	0.25%	1354	22.63	TCI, IR
44	6503	30407	0.25%	1134	26.81	Axtel, S.A.B. de C.V., MX
45	37020	29196	0.24%	56	521.36	CELTEL-DRC, CD
46	11830	28763	0.23%	1993	14.43	Instituto Costarricense de Electricidad y Telecom., CR
47	9341	28687	0.23%	508	56.47	ICONPLN-ID-AP-ISP PT INDONESIA COMNETS PLUS, ID
48	12479	28632	0.23%	7805	3.67	UNI2-AS, ES
49	40065	28134	0.23%	620	45.38	CNSERVERS, US
50	30058	27157	0.22%	416	65.28	FDCSERVERS, US
Total		3206192	26.16%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	265626	21787.0	0.18%	1	21787	SITE TELECOM, MX
2	263634	14624.0	0.12%	13	14624	TACNET TELECOM, BR
3	12220	13728.0	0.11%	6	13728	I-EVOLVE-TECHNOLOGY-SERVICES, US
4	25048	9444.2	0.39%	5	47221	DSNET DSNet, GB
5	4268	8759.3	0.50%	7	61315	CERNET-ASN-BLOCK, US
6	266151	7832.3	0.19%	3	23497	Mania NET, BR
7	17794	7478.0	0.31%	13	37390	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
8	21603	7240.0	0.06%	18	7240	Universidad La Salle, AC, MX
9	265566	7211.0	0.18%	5	21633	TELESISTEMAS PENINSULARES SA DE CV, MX
10	50674	6856.0	0.06%	1	6856	SPBEX-AS, RU
11	63376	6247.0	0.05%	2	6247	TOUCHTONE-CUSTS, US
12	396950	5961.0	0.05%	1	5961	COMSTBARTH-AS, FR
13	45494	4813.0	0.04%	1	4813	LAHAI-SG NREN ASN for Misc. Root Servers and Community, NP
14	886	4730.0	0.04%	1	4730	SBH-IX-SERVICES, FR
15	153076	4150.0	0.03%	1	4150	IDNIC-ANTSAN-ID PT SAVINDA ANTAR NUSANTARA, ID
16	8987	3957.2	0.13%	89	15829	AMAZON EXPANSION, IE
17	7954	3834.3	0.09%	3	11503	IMMENSE-NETWORKS, US
18	2603	3346.0	0.03%	11	3346	NORDUNET, DK
19	265887	2998.9	0.17%	7	20992	R W TELECOMUNICACOES LTDA ME, BR
20	40936	2895.0	0.05%	3	5790	ACCS-21, US
21	9423	2726.0	0.02%	1	2726	SERVERKINGIOLLC-AS-AP ServerKing.io, LLC, US
22	38684	2652.6	0.11%	74	13263	CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
23	137258	2354.0	0.02%	1	2354	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
24	32685	2138.0	0.02%	1	2138	AEG-VISION, US
25	7540	2023.6	0.12%	118	14165	HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
26	136867	2010.0	0.05%	3	6030	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
27	204096	2008.0	0.02%	4	2008	ASN-MAC, IT
28	135445	1985.4	0.13%	8	15883	IDNIC-AIRPAY-AS-ID PT. Airpay International Indonesia, ID
29	33764	1970.0	0.02%	4	1970	AFRINIC-ZA-JNB-AS, MU
30	13341	1930.8	0.06%	5	7723	TRANQUILITY, US
31	45720	1920.0	0.02%	2	1920	IDNIC-LPDB-AS-ID Lembaga Pengelola Dana Bergulir, ID
32	150291	1797.7	0.04%	3	5393	SFFDW-AS-AP Shakti Foundation for Disadvantages Women, BD
33	215385	1706.0	0.03%	2	3412	ASN-ALONET, IT
34	56639	1699.0	0.01%	1	1699	LNET-COM-UA-AS, UA
35	267715	1698.0	0.01%	1	1698	RED CENTROAMERICANA DE TELECOMUNICACIONES S.A, SUCURSAL GUATEMALA, SOCIEDAD EXTRANJERA, GT
36	268154	1628.0	0.01%	3	1628	ERIKA MONTEIRO GUERRA, BR
37	31104	1622.5	0.03%	2	3245	EVACY, FR
38	328665	1544.5	0.03%	2	3089	ZRA-AS, ZM
39	328650	1499.0	0.01%	2	1499	Universite-numerique-Cheikh-Hamidou-KANE-AS, SN
40	397829	1469.0	0.01%	1	1469	SCC-INET-01, CA
41	149614	1426.0	0.01%	1	1426	TSIIPL-AS-IN TRANSACTION SOLUTIONS INTERNATIONAL INDIA PRIVATE LIMITED, IN
42	13602	1383.0	0.01%	9	1383	I-EVOLVE-TECHNOLOGY-SERVICES-VTC, US
43	28657	1374.0	0.01%	2	1374	MD Brasil - Tecnologia da Informacao Ltda, BR
44	139384	1300.0	0.01%	1	1300	IDNIC-MOJOKERTOKOTA-AS-ID Pemerintah Kota Mojokerto, ID
45	208337	1283.5	0.04%	4	5134	TELEMANAPOLI, IT
46	54746	1276.0	0.04%	4	5104	KLAZO-ASN, US
47	131578	1263.0	0.01%	1	1263	BFSUNET Beijing Foreign Studies University, CN
48	270689	1228.0	0.01%	7	1228	Edrelix Servicos Comunicacao Eirelli, BR
49	139955	1210.7	0.06%	6	7264	DATAPRIME-AS-ID PT DATA PRIMA SOLUSINDO, ID
50	271084	1204.5	0.04%
Total		199223	3.79%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	45.164.22.0/24	30163	0.24%	23470 -- RELIABLESITE, US
2	160.238.104.0/22	23479	0.19%	266151 -- Mania NET, BR
3	201.71.207.0/24	21787	0.17%	265626 -- SITE TELECOM, MX
4	45.172.92.0/22	21577	0.17%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
5	106.77.224.0/19	20527	0.16%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
6	106.66.64.0/19	20253	0.16%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
7	223.196.5.0/24	19731	0.16%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
8	38.224.214.0/24	16475	0.13%	174 -- COGENT-174, US
9	103.223.2.0/24	15771	0.13%	135445 -- IDNIC-AIRPAY-AS-ID PT. Airpay International Indonesia, ID
10	81.90.139.0/24	15744	0.13%	25048 -- DSNET DSNet, GB
11	81.90.132.0/24	15742	0.13%	25048 -- DSNET DSNet, GB
12	81.90.133.0/24	15733	0.13%	25048 -- DSNET DSNet, GB
13	170.81.51.0/24	14624	0.12%	263634 -- TACNET TELECOM, BR
14	202.181.232.0/23	13885	0.11%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
15	72.43.207.0/24	13728	0.11%	12220 -- I-EVOLVE-TECHNOLOGY-SERVICES, US
16	124.195.190.0/24	13231	0.11%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
17	130.137.231.0/24	12750	0.10%	16509 -- AMAZON-02, US
18	203.145.74.0/24	12466	0.10%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
19	203.145.78.0/24	12460	0.10%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
20	202.45.88.0/24	12460	0.10%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
21	124.248.160.0/19	11785	0.09%	23673 -- ONLINE-AS Cogetel Online, Cambodia, ISP, KH
22	207.167.116.0/22	11499	0.09%	7954 -- IMMENSE-NETWORKS, US
23	173.30.250.0/24	10787	0.09%	30036 -- MEDIACOM-ENTERPRISE-BUSINESS, US
24	130.137.12.0/24	10530	0.08%	16509 -- AMAZON-02, US
25	173.82.9.0/24	9621	0.08%	16509 -- AMAZON-02, US
26	173.82.13.0/24	9510	0.08%	16509 -- AMAZON-02, US
27	130.137.108.0/24	9508	0.08%	16509 -- AMAZON-02, US
28	84.205.66.0/24	9492	0.08%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
29	130.137.124.0/24	9002	0.07%	16509 -- AMAZON-02, US
30	134.24.123.0/24	8914	0.07%	4268 -- CERNET-ASN-BLOCK, US
31	134.24.153.0/24	8913	0.07%	4268 -- CERNET-ASN-BLOCK, US
32	134.24.125.0/24	8913	0.07%	4268 -- CERNET-ASN-BLOCK, US
33	134.24.100.0/24	8913	0.07%	4268 -- CERNET-ASN-BLOCK, US
34	130.137.28.0/24	8865	0.07%	16509 -- AMAZON-02, US
35	197.216.52.0/24	8797	0.07%	11259 -- ANGOLATELECOM, AO
36	130.137.86.0/24	8757	0.07%	16509 -- AMAZON-02, US
37	130.137.150.0/24	8729	0.07%	16509 -- AMAZON-02, US
38	130.137.81.0/24	8722	0.07%	16509 -- AMAZON-02, US
39	130.137.136.0/24	8720	0.07%	16509 -- AMAZON-02, US
40	130.137.111.0/24	8716	0.07%	16509 -- AMAZON-02, US
41	130.137.133.0/24	8698	0.07%	16509 -- AMAZON-02, US
42	130.137.85.0/24	8652	0.07%	16509 -- AMAZON-02, US
43	130.137.16.0/24	8644	0.07%	16509 -- AMAZON-02, US
44	130.137.147.0/24	8570	0.07%	16509 -- AMAZON-02, US
45	173.82.16.0/24	8568	0.07%	16509 -- AMAZON-02, US
46	206.18.128.0/17	8563	0.07%	4268 -- CERNET-ASN-BLOCK, US
47	209.187.224.0/19	8562	0.07%	4268 -- CERNET-ASN-BLOCK, US
48	130.137.227.0/24	8550	0.07%	16509 -- AMAZON-02, US
49	199.105.192.0/20	8537	0.07%	4268 -- CERNET-ASN-BLOCK, US
50	130.137.141.0/24	8402	0.07%	16509 -- AMAZON-02, US
Total		617025	4.96%

14 Day BGP Profile: 8-February-2025 00:00 - 21-February-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	27187190
Number of Prefix Updates:	12246125
Number of Prefix Withdrawals:	328953
Average Prefixes per BGP Update:	0.46
Average BGP Update Messages per second:	22.48
Average Prefix Updates per second:	10.40
Peak BGP Update Message Rate per second:	27770	(03:28:28 Wed, 19-Feb-2025)
Peak Prefix Update Rate per second:	731	(01:27:57 Fri, 21-Feb-2025)
Peak Prefix Withdraw Rate per second:	12347	(15:50:15 Thu, 20-Feb-2025)
Prefix Count:	1020509
Updated Prefix Count:	541207
Stable Prefix Count:	479302
Origin AS Count:	76712
Updated Origin AS Count:	52905
Stable Origin AS Count:	23807
Unique Path Count:	571499
Updated Path Count:	413906
Stable Path Count:	157593

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates

Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.